Area Code +1-301-(2445000...2445999) located in Silver Spring, Maryland (MD), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 301 Subscriber Number From : 2445000 Subscriber Number To : 2445999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : COMCAST PHONE - MD Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : MD Region Name : Maryland City : Silver Spring Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 39.0100 Longitude : -77.0400 ‹ previous : +1-301-(2444000...2444999) next › : +1-301-(2446000...2446999) Dialling Instructions For trunk calls: 0 301 2445000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 301 2445000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2445000 ~ 2445999 (Count: 1,000) Example: +1-301-2445000 / 0111-301-2445000 (1301-2445000 / 1-301-2445000) +1-301-2445001 / 0111-301-2445001 (1301-2445001 / 1-301-2445001) +1-301-2445002 / 0111-301-2445002 (1301-2445002 / 1-301-2445002) +1-301-2445003 / 0111-301-2445003 (1301-2445003 / 1-301-2445003) +1-301-2445004 / 0111-301-2445004 (1301-2445004 / 1-301-2445004) ...+1-301-xxxxxxx / 0111-301-xxxxxxx (1301-xxxxxxx / 1-301-xxxxxxx) ...+1-301-2445995 / 0111-301-2445995 (1301-2445995 / 1-301-2445995) +1-301-2445996 / 0111-301-2445996 (1301-2445996 / 1-301-2445996) +1-301-2445997 / 0111-301-2445997 (1301-2445997 / 1-301-2445997) +1-301-2445998 / 0111-301-2445998 (1301-2445998 / 1-301-2445998) +1-301-2445999 / 0111-301-2445999 (1301-2445999 / 1-301-2445999)